Question

pqrs and PQab are two parallelogram on opposite side of PQ. prove that s r a b

is a parallelogram.​

Answer 1

Step-by-step explanation:

• given pqrs and pqab are two parallelogram on side pq then
• pq||ab.......1
• pq||rs......2
• from 1and2
• ab||rs.....3
• ar||bs....4
• a+b+r+s =360..5 then
• abrs is a parallelogram
• hence proved